Suction hook



FIG. 1 is a perspective view of a suction hook;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The dash-dash broken lines shown in the figures represent portions of the suction hook and form no part of the claimed design. The dash-dot broken lines shown in the figures represent boundaries of the claim and form no part of the claimed design. 

CLAIM The ornamental design for a suction hook, as shown, and described. 